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Finding the Fourth Proportional to 507,052.50, 699,740.70 and 277,605.96

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Solution

The fourth proportional to 507,052.50, 699,740.70 and 277,605.96 is: 383,100.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,052.50 : 699,740.70 = 277,605.96 : x
  2. Step 2: Convert to fraction form
    507,052.50/699,740.70 = 277,605.96/x
  3. Step 3: Cross multiply
    507,052.50x = 699,740.70 × 277,605.96
  4. Step 4: Simplify right side
    507,052.50x = 194,252,188,774.57
  5. Step 5: Solve for x
    x = 194,252,188,774.57/507,052.50
  6. Step 6: Final answer
    x = 383,100.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.